The Thread-On Blue Pistol Grip Gearshift Knob is a practical and versatile product designed for most makes and models with 1/2 inch 13 male threads. Made from durable aluminum casting, this gearshift knob is built to last. With its machined 1/2 inch 13 female threads, it can be easily installed and provides a secure fit. Sold individually, this gearshift knob offers a reliable and stylish upgrade for your vehicle's interior.